Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mrs. Gretchen Collins, RD, LDN

Individual provider Registered Dietitian · NPI 1912163965

Mrs. Gretchen Collins, RD, LDN is a Registered Dietitian in Barrington, Illinois. Licensed in Illinois. Registered with an NPI since 2008.

Licensed in
IL
In the registry since
2008
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

450 W Highway 22
Barrington, IL 60010-1919
Phone: (847) 381-0123
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 164001545 (IL)

Record details

NPI number1912163965
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN
Sole proprietorNo
NPI enumeratedJuly 30, 2008
Last updated in NPPESJuly 30, 2008

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